Search a string from the start or from the end : String Search « String « C# / CSharp Tutorial

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C# / CSharp Tutorial » String » String Search

5.18.7.Search a string from the start or from the end

using System;  

  

class MainClass {   

  public static void Main() {   

    string str1 = "ABCDEabcde1234567e890";   

  

    // search string 

    int idx = str1.IndexOf("e");  

    Console.WriteLine("Index of first occurrence of One: " + idx);  

    idx = str1.LastIndexOf("e");  

    Console.WriteLine("Index of last occurrence of One: " + idx);  

      

  }   

}

Index of first occurrence of One: 9
Index of last occurrence of One: 17

5.18.String Search
	5.18.1.	Search a character in a string
	5.18.2.	Search a character in a string: lastindex
	5.18.3.	Search a sub string in a string
	5.18.4.	Search a sub string in a string: lastIndexOf
	5.18.5.	Search any characters in a string
	5.18.6.	String starts with and ends with
	5.18.7.	Search a string from the start or from the end
	5.18.8.	Use LastIndexOf(Char) to find the last directory separator character in a string and to extract the file name
	5.18.9.	Find the index of the last occurrence of any character in the string "is" within another string.

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